Title:
EYEGLASS FRAME SHAPE MEASUREMENT DEVICE AND LENS PROCESSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/026416
Kind Code:
A1
Abstract:
An eyeglass frame shape measurement device for measuring the shape of an eyeglass frame, said device comprising: a light projection optical system that has a light source and is for irradiating measurement light from the light source toward a groove in the rims of the eyeglass frame, a light reception optical system that has a detector and is for using the detector to receive light that has been irradiated toward the groove in the rims of the eyeglass frame by the light projection optical system and reflected by the groove in the rims of the eyeglass frame, an acquisition means for acquiring a cross-sectional shape of the groove in the rims of the eyeglass frame on the basis of the reflected light received by the detector, and a brightness control means for controlling the brightness level of the reflected light received by the detector.
Inventors:
TAKII MICHIHIRO (JP)
MIZUKOSHI KUNIHITO (JP)
ISHII TOMOYA (JP)
TAKEICHI KYOJI (JP)
MIZUKOSHI KUNIHITO (JP)
ISHII TOMOYA (JP)
TAKEICHI KYOJI (JP)
Application Number:
PCT/JP2018/021700
Publication Date:
February 07, 2019
Filing Date:
June 06, 2018
Export Citation:
Assignee:
NIDEK KK (JP)
International Classes:
G01B11/24; B24B9/14; G02C13/00
Foreign References:
| JP2001519025A | 2001-10-16 | |||
| JP2010237008A | 2010-10-21 | |||
| JP2010256151A | 2010-11-11 | |||
| JP2015068713A | 2015-04-13 | |||
| JPH05118826A | 1993-05-14 | |||
| JP2016193468A | 2016-11-17 | |||
| JP2015007536A | 2015-01-15 | |||
| JP2000314617A | 2000-11-14 | |||
| JP2006350264A | 2006-12-28 |
Other References:
See also references of EP 3663708A4
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